In the 18th century, people in Colombia found a with two wings and tail gold products, archaeologists think this is a kind of birds or fish in the prototype manufacture, don&＃039;t give it to ornament more attention. But in the 20th century, people in a church and Ecuador in southern Ecuador in the underground tunnel, and has discovered two gold production of such goods. Some aviation experts observe carefully and studied, this kind of goods is completely different from previous conclusions. They think that only is a model plane. The plane is somewhat cumbersome, helicopter behind by a windbreak cockpit, wall and propulsion system installed in the fuselage, two levels of triangular wings plus two stable stabilizers and a vertical tail, constitute a complete aerodynamics model plane. Based on these models SanShiTu draw with modern aircraft looks really very similar. However, 1905 by plane is only the Wright brothers American invention, but these gold producers are not know the model plane for what the ancient indians. Making model planes, of course, but different from making model is not imaginary product, it must have a certain things